Chapter 1 Test Math 6

True or False: 2, 3, 5, 7 are the first four prime numbers

• True

• False

Which of these is a composite number

• 12

• 17

• 19

• 23

What is the prime factorization of 24?

• 4 x 9

• 2 x 2 x 2 x 3

• 2 x 3 x 3 x 5

• 2 x 2 x 2 x 7

Which of the following numbers is a prime number:

12, 18, 21, 23, 24

Which of the following numbers is a composite number:

3, 5, 11, 14, 19

What are the prime factors of 18?

• 1, 26

• 2, 13

• 1, 6, 13

• 2, 3

What are the factors of 18?

• 1, 2, 9, 18

• 1, 2, 3, 4, 6, 18

• 1, 2, 3, 6, 9, 18

• 1, 2, 3, 7, 9, 18

What are the first four multiples of 6?

• 6, 12, 18, 24

• 6, 16, 23 30

• 6, 13, 21, 28

• 6, 11, 17, 28

What are the first four multiples of 8?

• 1, 2, 4, 8

• 8, 16, 24, 32

• 6, 12, 24, 36

• 6, 12, 18, 24

What are the first four Multiples of 9?

• 8, 17, 26, 35
• 10, 20, 30, 40
• 7, 14, 21, 28
• 9, 18, 27, 36